阿里云 OSS icon

阿里云 OSS

阿里云 OSS 操作：生成预签名URL或上传文件

Actions2

生成预签名URL

AI-generated

Summary

Generate a presigned URL for an OSS object

Inputs

  • bucket (required) — OSS 存储空间（Bucket）名称
  • key (required) — 对象（文件）在 OSS 中的键名（路径）
  • region (required) — 存储空间所在的区域，例如：oss-cn-hangzhou
  • endpoint — 其他服务可用来访问 OSS 的域名（可选）
  • expiresIn — 预签名 URL 的有效期，单位：秒，默认 3600 秒（1小时）

Output shape

a single object containing the presigned URL and metadata (url, bucket, key, region, expiresIn)

The response includes the generated URL and the input parameters; errors are handled separately and may return an error object.

Examples

Example 1: Create a temporary link to share an image

bucket: my-bucket, key: images/photo.jpg, region: oss-cn-beijing, expiresIn: 3600

Example 2: Generate a link with a longer expiration for a large file

bucket: archive, key: backups/2023.zip, region: oss-cn-shanghai, expiresIn: 86400

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